Home / 2,405,117.82-3,319,022.79-1,317,379.26

Finding the Fourth Proportional to 2,405,117.82, 3,319,022.79 and 1,317,379.26

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Solution

The fourth proportional to 2,405,117.82, 3,319,022.79 and 1,317,379.26 is: 1,817,961.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,405,117.82 : 3,319,022.79 = 1,317,379.26 : x
  2. Step 2: Convert to fraction form
    2,405,117.82/3,319,022.79 = 1,317,379.26/x
  3. Step 3: Cross multiply
    2,405,117.82x = 3,319,022.79 × 1,317,379.26
  4. Step 4: Simplify right side
    2,405,117.82x = 4,372,411,787,013.34
  5. Step 5: Solve for x
    x = 4,372,411,787,013.34/2,405,117.82
  6. Step 6: Final answer
    x = 1,817,961.58

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.